/ Instrumentation


The Majorana Low-noise Low-background Front-end Electronics


Abgrall, N. (LBNL, NSD) ; Aguayo, E. (PNL, Richland) ; Avignone, F.T. (Oak Ridge) ; Barabash, A.S. (Moscow, ITEP) ; Bertrand, F.E. (Oak Ridge) ; Boswell, M. (Los Alamos) ; Brudanin, V. (Dubna, JINR) ; Busch, M. (TUNL, Durham) ; Byram, D. (South Dakota U.) ; Caldwell, A.S. (South Dakota Sch. Mines Tech.) ; Chan, Y-D. (LBNL, NSD) ; Christofferson, C.D. (South Dakota Sch. Mines Tech.) ; Combs, D.C. (TUNL, Durham) ; Cuesta, C. (Washington U., Seattle) ; Detwiler, J.A. (Washington U., Seattle) ; Doe, P.J. (Washington U., Seattle) ; Efremenko, Yu. (Tennessee U.) ; Egorov, V. (Dubna, JINR) ; Ejiri, H. (Osaka U., Res. Ctr. Nucl. Phys.) ; Elliott, S.R. (Los Alamos) ; Fast, J.E. (PNL, Richland) ; Finnerty, P. (TUNL, Durham) ; Fraenkle, F.M. (TUNL, Durham) ; Galindo-Uribarri, A. (Oak Ridge) ; Giovanetti, G.K. (TUNL, Durham) ; Goett, J. (Los Alamos) ; Green, M.P. (Oak Ridge) ; Gruszko, J. (Washington U., Seattle) ; Guiseppe, V.E. (South Carolina U.) ; Gusev, K. (Dubna, JINR) ; Hallin, A.L. (Alberta U.) ; Hazama, R. (Osaka U., Res. Ctr. Nucl. Phys.) ; Hegai, A. (LBNL, NSD) ; Henning, R. (TUNL, Durham) ; Hoppe, E.W. (PNL, Richland) ; Howard, S. (South Dakota Sch. Mines Tech.) ; Howe, M.A. (TUNL, Durham) ; Keeter, K.J. (Black Hills State U.) ; Kidd, M.F. (Tennessee Tech. U.) ; Kochetov, O. (Dubna, JINR) ; Konovalov, S.I. (Moscow, ITEP) ; Kouzes, R.T. (PNL, Richland) ; LaFerriere, B.D. (PNL, Richland) ; Leon, J. (Washington U., Seattle) ; Leviner, L.E. (TUNL, Durham) ; Loach, J.C. (Shanghai, Jiao Tong U.) ; MacMullin, J. (TUNL, Durham) ; MacMullin, S. (TUNL, Durham) ; Martin, R.D. (South Dakota U.) ; Meijer, S. (TUNL, Durham) ; Mertens, S. (LBNL, NSD) ; Nomachi, M. (Osaka U., Res. Ctr. Nucl. Phys.) ; Orrell, J.L. (PNL, Richland) ; O'Shaughnessy, C. (TUNL, Durham) ; Overman, N.R. (PNL, Richland) ; Phillips, D.G. (TUNL, Durham) ; Poon, A.W.P. (LBNL, NSD) ; Pushkin, K. (South Dakota U.) ; Radford, D.C. (Oak Ridge) ; Rager, J. (TUNL, Durham) ; Rielage, K. (Los Alamos) ; Robertson, R.G.H. (Washington U., Seattle) ; Romero-Romero, E. (Oak Ridge) ; Ronquest, M.C. (Los Alamos) ; Schubert, A.G. (Washington U., Seattle) ; Shanks, B. (TUNL, Durham) ; Shima, T. (Osaka U., Res. Ctr. Nucl. Phys.) ; Shirchenko, M. (Dubna, JINR) ; Snavely, K.J. (TUNL, Durham) ; Snyder, N. (South Dakota U.) ; Suriano, A.M. (South Dakota Sch. Mines Tech.) ; Thompson, J. (South Dakota Sch. Mines Tech.) ; Timkin, V. (Dubna, JINR) ; Tornow, W. (TUNL, Durham) ; Trimble, J.E. (TUNL, Durham) ; Varner, R.L. (Oak Ridge) ; Vasilyev, S. (Tennessee U.) ; Vetter, K. (LBNL, NSD) ; Vorren, K. (TUNL, Durham) ; White, B.R. (Oak Ridge) ; Wilkerson, J.F. (Oak Ridge) ; Wiseman, C. (South Carolina U.) ; Xu, W. (Los Alamos) ; Yakushev, E. (Dubna, JINR) ; Young, A.R. (TUNL, Durham) ; Yu, C.-H. (Oak Ridge) ; Yumatov, V. (Moscow, ITEP)

Published in: Phys.Procedia
Year: 2015
Vol.: 61
Page No: 654-657
Pages: 4
Year: 2015-03-23 published

Abstract: The MAJORANA DEMONSTRATOR will search for the neutrinoless double beta decay ( ββ (0 ν )) of the isotope 76 Ge with a mixed array of enriched and natural germanium detectors. In view of the next generation of tonne-scale germanium-based ββ (0 ν )-decay searches, a major goal of the MAJORANA DEMONSTRATOR is to demonstrate a path forward to achieving a background rate at or below 1 cnt/(ROI-t-y) in the 4 keV region of interest (ROI) around the 2039-keV Q-value of the 76 Ge ββ (0 ν )-decay. Such a requirement on the background level significantly constrains the design of the readout electronics, which is further driven by noise and energy resolution performances. We present here the low-noise low- background front-end electronics developed for the low-capacitance p-type point contact (P-PC) germanium detectors of the MAJORANA DEMONSTRATOR. This resistive-feedback front-end, specifically designed to have low mass, is fabricated on a radioassayed fused-silica substrate where the feedback resistor consists of a sputtered thin film of high purity amorphous germanium and the feedback capacitor is based on the capacitance between gold conductive traces.

Keyword(s): neutrinoless double beta decay ; low noise ; low background ; resistive-feedback front-end ; charge sensitive amplifer

Total numbers of views: 552
Numbers of unique views: 287
DOI: 10.1016/j.phpro.2014.12.066
 Record created 2015-05-05, last modified 2015-05-05



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